Home / 121,320-262,368

Finding the Third Proportional to 121,320 and 262,368

Calculator

Solution

The third proportional to 121,320 and 262,368 is: 567,400.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,320 : 262,368 = 262,368 : x
  2. Step 2: Convert to fraction form
    121,320/262,368 = 262,368/x
  3. Step 3: Cross multiply
    121,320x = 262,368 × 262,368
  4. Step 4: Simplify right side
    121,320x = 68,836,967,424
  5. Step 5: Solve for x
    x = 68,836,967,424/121,320
  6. Step 6: Final answer
    x = 567,400.00

Related Problems

Find third proportional to 60,660 and 131,184
Half scale
Find third proportional to 242,640 and 524,736
Double scale
Find third proportional to 121,322 and 262,372
Similar ratio
Find third proportional to 181,980 and 393,552
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.